New version has an option to turn off the screenshot sound.

Use the "duration" option that can be found in the main tab at the bottom.

So when you switch from your 3440x1440 monitor to 1080p monitor the problem occurs?
It is happening without recording, right?
Does the same happen if you use F8 hotkey to switch between displays?

Hello.
Go to Settings -> Video, select option "Force bitrate" and set bitrate you up to 100 Mbps.

Hello, please provide us your PC DxDiag report. It will help us investigate your problem. To run a dxdiag report follow the steps below: If you are running Windows Vista or higher go to your task bar. Click on, "Start Button". Click on, "Run". In the pop-up window enter dxdiag and hit ok. The Direct...

Please try following steps below to completely re-install Action. 1. Uninstall Action! 2. Press Start and then type "Regedit" in search and press Enter. 3. Go to the following path: HKEY_CURRENT_USER/Software/Mirillis/ 4. Remove Action! catalog. 5. Reboot your PC. 6. Install Action! again. These ste...

Could you please send us a video sample where this issue occur. Please upload original recording using file sharing service like Dropbox or Google Drive.

No, it does not.

Hello,
could you please provide me a video sample where your issue occurs? Please upload your original video file to one of the popular sharing sites like Google Drive or Dropbox. It will help us investigate your issue.

Try to log in to your Youtube account again and see if that helps.